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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
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LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X
Part Number: SUM-174012DP-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Valve Springs SUM-174013DP-16
LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335
Part Number: SUM-174013DP-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335
Part Number: SUM-174013DP-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X.
Part Number: SUM-174012DP-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wrist Pin Bushings and Bearings, BUSHING-BB CONROD .985 LENGTH
Part Number: MAN-42250S-1
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Valve Springs, Heavy-Duty, Dual, with Damper, 1.550 in. Outside Diameter, 1.19 in. Coil Bind Height, Set of 16
Part Number: EW1-985-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VVT SOLENOID
Part Number: RNB-916-985
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Valve Cover, Front, Plastic, Black, Stock Height, for Infiniti/Nissan, V6, 3.5L, Each
Part Number: RNB-264-985
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BELT, 2018-13 AUDI A8, A8 QUATTRO, RS7, S6, S7, S7 SPORTBACK, S8
Part Number: CEL-5PK985
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Timing Chain
Part Number: CLO-C985
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
BELT, 1994-85 SUBARU DL, GL, GLF, GL-10, LOYALE, RX
Part Number: CEL-13X985
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Valve Springs, Pacaloy Mechanical Roller, Dual, 1.550 in. O.D., 0.812 in. I.D., 550 lbs./in., 0.700 in. Maximum Lift, 1.100 in. Coil Bind, Set of 16
Part Number: HRS-98543
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Performance, Single, Conical, 1.485 in. O.D., 355 lbs./in., 1.150 in. Coil Bind Height, 7 Degree Locks, Retainers, Kit
Part Number: HRS-98511-K31
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Set of 16
Part Number: HRS-98541
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Performance, Single, Standard, 1.525 in. O.D., 462 lbs./in., 7 degree Locks, Kit
Part Number: HRS-98529-K31
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Single, 1.485 in. Outside Diameter, 355 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16
Part Number: HRS-98511
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, Hydraulic Roller, 1.514 in. O.D., 348 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Kit, Single, 1.470
Part Number: HRS-98521-K12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator Bracket, F-Style, Chrome Plated, Each
Part Number: MRG-9850
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Single, 1.510 in. Outside Diameter, 350 lbs./in. Rate, 1.110 in. Coil Bind Height, Set of 16
Part Number: HRS-98515
Estimated Ship Date: May 26, 2026 if ordered today
Estimated Ship Date: May 26, 2026 if ordered today
Valve Springs, Single, Hydraulic Flat Tappet, 1.525 in. O.D, 462 lbs/in, 1.200 in. Coil Bind Height, Set of 16
Part Number: HRS-98529
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator Bracket, Steel, Chrome, Water Pump Mount, Universal Arm, Each
Part Number: MRG-9851
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.480 in. Outside Diameter, 420 lbs./in. Rate, 1.270 in. Coil Bind Height, Set of 16
Part Number: HRS-98542
Not Yet Reviewed
Estimated Ship Date: May 26, 2026 if ordered today
Estimated Ship Date: May 26, 2026 if ordered today
PUSHROD SEAT, .842/.875 FOR 99 SERIES LIFTERS MEDIUM LEFT WITH 213-21 O-RING
Part Number: CCA-98501L-2
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
PUSHROD SEAT, .842/.875 FOR MEDIUM RIGHT 99 SERIES LIFTERS WITH 213-21 O-RING
Part Number: CCA-98501R-2
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
